Talk:Calcium chloride

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Calcium chloride was one of the Natural sciences good articles, but it has been removed from the list. There are suggestions below for improving the article to meet the good article criteria. Once these issues have been addressed, the article can be renominated. Editors may also seek a reassessment of the decision if they believe there was a mistake.

Article milestones
Date	Process	Result
November 22, 2005	Good article nominee	Listed
September 8, 2007	Good article reassessment	Kept
August 26, 2016	Good article reassessment	Delisted

Current status: Delisted good article

Solubility data seems off

Here's what it says about soluability in water:

Anhydrous: MW=110.98
74.5 g/100 mL (20 °C)

Hexahydrate: MW=219.07
49.4 g/100 mL (−25 °C)
59.5 g/100 mL (0 °C)
65 g/100 mL (10 °C)
81.1 g/100 mL (25 °C)
102.2 g/100 mL (30.2 °C)

α-Tetrahydrate: MW=183.04
90.8 g/100 mL (20 °C)
114.4 g/100 mL (40 °C)

Dihydrate: MW=147.01
134.5 g/100 mL (60 °C)
152.4 g/100 mL (100 °C)

I added the molecular weights

90.8g of Dihydrate = 68.55 g CaCl2 + 22.25g H20

Seems very strange that less CaCl2 dissolves when we're actually adding more solvent contained in the dihydrate crystals.